Riboflavin Flashcards Preview

Nutrition > Riboflavin > Flashcards

Flashcards in Riboflavin Deck (17):
1

is it a trace element, vitamin, or mineral? Riboflavin

vitamin B2

2

what are its three properties? Riboflavin

 Heat stable  Unstable to alkali &
light  Yellow-green lumenesence

3

because this is unstable to light what product should not be exposed to sunlight? Riboflavin

milk

4

what are its two functions? Riboflavin

 Carbohydrate, fat & energy metabolism
 Coenzyme of FAD

5

how does it function as a Coenzyme of FAD? Riboflavin

Accepts and transfers hydrogen ions

6

what is the deficiency symptom? Riboflavin

Tissue inflammation & breakdown

7

what are the five places where the deficiency symptom of tissue inflammation and breakdown occur? Riboflavin

mouth, nose, skin, eyes, tongue

8

whats the name and details of the deficiency symptom of tissue inflammation and breakdown occurring at the mouth? Riboflavin

Cheilosis
 Lips swollen, crack easily & at corner of mouth

9

whats the name and details of the deficiency symptom of tissue inflammation and breakdown occurring at the nose? Riboflavin

Seborrhea
 Scaly, greasy eruption, especially in skin folds

10

whats the name and details of the deficiency symptom of tissue inflammation and breakdown occurring at the skin? Riboflavin

Dermatitis
 Wounds do not heal easily

11

whats the name and details of the deficiency symptom of tissue inflammation and breakdown occurring at the eyes? Riboflavin

Corneal vascularization
 Extra blood vessels, burning, itch, tear  Sensitive to light

12

whats the name of the deficiency symptom of tissue inflammation and breakdown occurring at the tongue? Riboflavin

Glossitis

13

whats the recommended intake? Riboflavin

M 1.3 mg; F 1.1 mg

14

what are the recommended intakes not related to and the three things its related to? Riboflavin

Not related to calories,
rather body size, metabolic rate & rate of growth

15

when are the five cases the recommended intakes should be increased? Riboflavin

Increased in chronic illness, wound healing (needs more protein) & other stresses - growth, pregnancy, lactation

16

what is the toxicity symptom? Riboflavin

none known

17

what are the three main food sources? Riboflavin

 Milk
 Meat  Enriched cereals